bug#24854: 25.1; indent error with regexp

[Eli Zaretskii]

> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Tue, 15 Nov 2016 02:04:45 +0200
> 
> > var re = /some value/
> >
> >  str.match(re)
> >
> >
> > 4. You can see line 2 will have indent, which should not.
> >
> >
> > I also report it to this url: https://github.com/mooz/js2-mode/issues/382
> 
> Thanks for the report. The patch is attached.
> 
> Eli, would you allow this for 25.2? It's not a regression, but the fix 
> is simple.

The patch for js.el is okay for emacs-25, but please install the test
addition on master, to avoid problems due to renaming in the test
suite.

Thanks.